I'm planning on selling my anime cels and wanted
to know what the "standard" is for buying and
selling here?

Do people use escrows?  Half up front, half on
delivery?  All upfront based on faith?

Or is it better to just stick with Ebay?

PS.
Here are my Kenshin cels if anyone is interested
http://tragic.rubberslug.com/gallery/home.asp